package Review2;

public class Test19 {
   public void mirrorTree(BinaryTreeNode root){
	   if(root==null){
		   return;
	   }
	   BinaryTreeNode temp = root.left;
	   root.left = root.right;
	   root.right = root.left;
	   if(root.left!=null){
		   mirrorTree(root.left);
	   }
	   if(root.right!=null){
		   mirrorTree(root.right);
	   }
   }
}
